4-digit page number * *: (9999-1000+1) * 4 = 36000 > 3389, and you can get 4-digit page number * *: 3389-2700-180-9 =1.
That is, the maximum number of pages is:125-1+1000 =1124 (pages).
2. 1 digit page number is 9, two-digit page number is (99-10+1) * 2 =180, and three-digit page number is (295-100+1).
∴ I * * * have the number: 9+ 180+588=777 (pieces)